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All Journal TEKNIK Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Simetris INOVTEK POLBENG Jurnal Teknologi Terapan International Journal of Marine Engineering Innovation and Research Jurnal Cakrawala Maritim
Budiyanto, Ekky Nur
Politeknik Perkapalan Negeri Surabaya
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Analisis Symmetrical dan Nonsymmetrical Vertical Expansion Loop untuk Meningkatkan Fleksibilitas dan Menurunkan Tegangan Pipa Berdasarkan ASME B31.3 Mahardhika, Pekik; Husodo, Adi Wirawan; Kusuma, George Endri; Witjonarko, Raden Dimas Endro; Budiyanto, Ekky Nur
TEKNIK In Press
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v42i1.29244

Abstract

Thepiping system is a medium used to convey, distribute, mix, separate, discharge, meter, control or snub fluid flows, and transmit a fluid pressure. The piping system design will have stresses due to thermal and pressure effect. The thermal effect induce pipe expansion. The pipe expansion affect to pipe flexibility, so it is necessary to design an expansion loop. Expansion loop is a method used to increase flexibility in piping systems. This article aims to analyze symmetrical and non-symmetrical in vertical expansion loops whether it can increase flexibility and reduce pipe stress. This article conducts an expansion loop design with 3 trials, namely trial 1 (Vertical Expansion Loop), trial 2 (Nonsymmetrical Vertical Expansion Loop 1), and trial 3 (Nonsymmetrical Vertical Expansion Loop 2). The three trials were compared for flexibility and stress values based on ASME B31.3 requirements. The study results show that all trial 1, trial 2, and trial 3 have good flexibility with a value of 0.00016 because not exceed the requirements of ASME B31.3. The highest design code stress value in trial 1 is 5955 psi (Node A07F), trial 2 is 5906 psi (Node A05F), and trial 3 is 5906 psi (Node A06N). All trials have a code stress not exceeding the allowable stress (20000 psi). So that the symmetrical or nonsymmetrical design of the vertical expansion loop can both increase flexibility and reduce pipe stress.
ANALISA PENGARUH WATER HAMMER TERHADAP FLEKSIBILITAS PIPA LINE DISCHARGE PUMP Pekik Mahardhika; Ekky Nur Budiyanto
Simetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol 10, No 2 (2019): JURNAL SIMETRIS VOLUME 10 NO 2 TAHUN 2019
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (892.496 KB) | DOI: 10.24176/simet.v10i2.3039

Abstract

Makalah ini mengkaji besarnya tegangan pipa akibat fenomena water hammer. Water hammer terjadi pada proses pendistribusian dari TPL menuju Terminal BBM di Surabaya (jalur pipa discharge pump). Check valve di pipa line discharge pump telah mengalami kerusakan akibat fenomena water hammer. Water hammer merupakan beban dinamis dari fluida karena kenaikan tekanan secara tiba-tiba. Water hammer menimbulkan getaran dan resonansi sehingga mempengaruhi fleksibilitas pipa. Tujuan analisa ini untuk mendapatkan besarnya fleksibilitas akibat water hammer menggunakan metode numerik berdasarkan kriteria ASME B31.4 dan API 610. Hasil analisa menunjukkan bahwa tegangan saat water hammer tidak memenuhi kriteria ASME B31.4 dan beban nozzle pompa juga tidak memenuhi kriteria API 610.
Peningkatan Performa 4 Stroke SI Engine menggunakan Voltage Stabilizer untuk Kontrol AFR George Endri Kusuma; Sryang Tera Sarena; Mardi Santoso; Emie Santoso; Ekky Nur Budianto; Himawan Candra Buana
INOVTEK POLBENG Vol 11, No 1 (2021): INOVTEK VOL.11 NO1, 2021
Publisher : POLITEKNIK NEGERI BENGKALIS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35314/ip.v11i1.1715

Abstract

The manufacturer's rules apply Euro 3 and Euro 4 as an effort to reduce emissions in the air. The standard input voltage for the Engine Control Unit (ECU) is 12V to produce an ideal Air to Fuel Ratio (AFR) at a value of 14.7. However, in machine operation in the field, the voltage supplied by the battery cannot be constant at that number and causes the AFR to change too, especially in open-loop ECU systems. The input voltage that is too low can affect the AFR to be too high. The condition might cause the engine temperature to be too high and decreases engine performance. As a solution to this problem, this research develops a voltage stabilization mechanism (VC) to facilitate the setting of air and fuel for the engine to be constant at the desired value. To get the best AFR value, engine performance is tested with dyno tests including power, torque, fuel oil consumption, and AFR. The test results show that the best engine performance value reaches 16.7 HP at 10000 RPM and 13.35 Nm of torque at 8000 RPM, and a voltage of 12.5 V and AFR 14.11. The AFR value is used as input to the VC system, and the equipment can adjust the voltage automatically to stabilize the AFR at a predetermined value.
ANALISA PERHITUNGAN ANODA KORBAN PADA TIANG JETTY DI DERMAGA Ekky Nur Budiyanto
INOVTEK POLBENG Vol 10, No 1 (2020): INOVTEK VOL. 10 N0 1
Publisher : POLITEKNIK NEGERI BENGKALIS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (191.961 KB) | DOI: 10.35314/ip.v10i1.1332

Abstract

Jetty di dermaga akan dipasang sistem proteksi katodik dengan menggunakan metode anoda korban. Proteksi katodik merupakan salah satu cara untuk mencegah terjadinya korosi pada logam dengan desain proteksi lebih dari 20 tahun. Metode yang dilakukan yaitu melakukan perhitungan kebutuhan arus proteksi pada tiang jetty dengan anoda korban. Penggantian proteksi katodik memerlukan kecermatan yang tinggi. Sehingga dilakukan perhitungan kebutuhan arus pada bagian jetty. Anoda Korban yang diletakkan pada Jetty yaitu menggunkan Anoda Korban Jenis Aluminium. Ukuran diameter dari Tiang penyangga Jetty yaitu 50 inch dengan rincian panjang 1,5 m bagian permukaan laut, 21 m bagian dalam air laut dan dasar laut serta 10 m bagian yang terpendam. Luas proteksi yang didapat berdasarkan dari ukuran tersebut yaitu 5,98 m2 pada bagian permukaan laut, 83,74 m2 bagian dalam air laut dan dasar laut serta 39,88 m2 pada bagian yang terpendam. Kebutuhan proteksi yang diperlukan pada tiang jetty yaitu 0,18 A pada bagian permukaan laut, 5,02 A pada bagian dalam air laut dan 1,20 A pada bagian tiang yang terpendam dasar tanah. Dengan demikian total dari kebutuhan arus proteksi yaitu sebesar 6,40 A. Setelah dilakukan perhitungan dari berat total tersebut maka di dapatkan estimasi berat aluminium yang dijadikan anoda korban yaitu sebesar 456,39 Kg.
PENGOLAHAN AIR LIMBAH BEKAS WUDLU UNTUK USAHA BISNIS PEMELIHARAAN IKAN DENGAN SISTEM BIOFLOC DALAM RANGKA PROGRAM PEMBERDAYAAN EKONOMI MASJID AL IKHLAS, KELURAHAN KEPUTIH, KEC SUKOLILO, KOTA SURABAYA Ekky Nur Budiyanto
Jurnal Cakrawala Maritim Vol 2 No 1 (2019): Jurnal Cakrawala Maritim
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M) - PPNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cakrawalamaritim.v2i1.901

Abstract

Kegiatan pemberdayaan masyarakat yang dilakukan di Masjid Al-Ikhlas Perumahan Bumi Marina Emas Kelurahan Keputih Kecamatan Sukolilo Surabaya bertujuan untuk memberdayakan masyarakat yang ada di sekitar masjid. Pemberdayaan yang dilakukan terkait dengan budidaya ikan lele. Pemberdayaan dilakukan melalui program daur ulang pada proses pengolahan air bekas wudlu dari masjid AL-IKHLAS untuk meminimalkan penggunaan air bersih. Air limbah ditampung untuk proses sedimentasi dan didistribusikan kembali untuk pemanfaatan media budidaya secara efektif dan optimal dengan teknik sistem perpipaan plumbing dan kontrol yang tepat. Salah satu penerapaannya yakni dengan menggunakan sistem biofloc. Budidaya sistem biofloc merupakan cara ternak lele dengan menciptakan mikroorganisme sekaligus membuat limbah air sisa wudlu yang dapat dioptimalisasi dengan dimanfaatkan menjadi bentuk gumpalan kecil sebagai budidaya alami ikan lele. Sistem biofloc ini dapat dilakukan semua kalangan, dengan cara memastikan bahwa air biofloc ini mengalir secara berkelanjutan atau terus-menerus dengan memanfaatkan air limbah wudlu dari masjid. Mitra pengabdian masyarakat (takmir masjid) dapat menguasai teknik perawatan pemeliharaannya dan bukan hanya dari hasil tiruan saja. Teknologi biofloc lele ini tidak membutuhkan sarana pengairan yang rumit dalam sisi kebutuhan materialnya dan bisa diselesaikan secara swadaya produksi dalam negeri. Bahan-bahan yang dibutuhkan ini juga mudah ditemukan di toko-toko terdekat untuk menjaga kualitas kontinuitas program. Tahapan kegiatan yang sudah dilakukan pada program pemberdayaan ini meliputi sosialisasi ke masyarakat tentang teknologi biofloc, desain instalasi sistem perpipaan dan fabrikasi sampai dengan proses penanaman bak penampung ikan, pengadaan bahan material, serta penyebaran benih ikan lele. Sedangkan untuk tahapan panen dan marketing akan dilaksanakan pada program pengabdian selanjutnya.
Design of Temporary Storage for Hazardous Waste at Politeknik Perkapalan Negeri Surabaya Setiani, Vivin; Sholihah, Mar'atus; Kurniasih, Dewi; Widiarti, Yuning; Budiyanto, Ekky Nur; Khumaidi, Agus; Wibowo, Sekarsari; Setyawati, Emeralda Eka Putri; Astutik, Rina Puji
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 1 (2025): March 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i1.275-286

Abstract

Politeknik Perkapalan Negeri Surabaya has workshops or laboratories that generate hazardous waste from practical learning activities. Currently, hazardous waste is not stored in accordance with regulations, it will pose a danger to the environment and human health. Therefore, this research requires a design for hazardous waste storage that complies with the Minister of Environment and Forestry Regulation number 6 of 2021. The design of fire extinguisher requirements is based on the Regulation of the Minister of Manpower and Transmigration of the Republic of Indonesia No. Per.04/Men/1980 and the design of lighting based on SNI 03-6575-2001. This research discusses the design of hazardous waste storage, including the characteristics of hazardous waste, the design of packaging and the supporting facilities. The characteristics of hazardous waste at the Politeknik Perkapalan Negeri Surabaya consist of flammable waste, toxic waste, and infectious waste. While, the packaging for hazardous waste is equipped with symbols and labels according to their characteristics and volume. The design of the hazardous waste storage building at the Politeknik Perkapalan Negeri Surabaya has dimensions of 11 m x 7 m, equipped with 12 lights and light fire extinguishers, taking into account the location, facilities, and emergency response.
ANALISIS TEGANGAN DAN FLEKSIBILITAS PIPA PADA AREA RUANG POMPA HIDRAN POLITEKNIK PERKAPALAN NEGERI SURABAYA DENGAN MENGGUNAKAN METODE ELEMEN HINGGA Mahardhika, Pekik; Husodo, Adi Wirawan; Tamimah, Ni'matut; Budiyanto, Ekky Nur; Naufal, Muhammad Ellang; Alam, Hafiz Akbar
Jurnal Teknologi Terapan Vol 11, No 1 (2025): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v11i1.636

Abstract

Hydrant is a fire fighting system. In the process of distributing water in the hydrant fire extinguishing system using piping. The hydrant piping system is a very important piping line in fire prevention, so it must function properly without any problems. The hydrant piping system in this paper is a case of the yard hydrant piping system at the Politeknik Perkapalan Negeri Surabaya. The results of visual inspection on the hydrant piping show that the line pipe is damaged. The line pipe is located in the pump room area. According to DNV D101 that the piping system is a critical line. In this research, an analysis of the stress and flexibility of the pipe in the pump room area will be carried out. Piping around the pump to be analyzed from line numbers 01-101-A53-4” and 01-101-A53-3” to line numbers 02-101-A53-6”. The purpose of this research is to determine whether the line pipe around the hydrant pump is damaged due to stress and flexibility aspects. From the modeling and simulation results, it shows that from the aspect of stress that occurs in the pipe it still meets ASME B31.3 criteria, but from the aspect of flexibility it shows that the pipe is damaged due to displacement and rotation on line 01-102-A53-2".
Application of the finite element method for evaluating the stress due to operating load in high energy piping system Mahardhika, Pekik; Husodo, Adi Wirawan; Budiyanto, Ekky Nur; Alfanda, Benedicta Dian; Sandora, Rina
International Journal of Marine Engineering Innovation and Research Vol 10, No 2 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i2.22765

Abstract

The stress value of the piping system will change during operating conditions. The stress value affects the integrity of the piping system. Excessive stress will cause deformation and damage to the piping system. The operating condition parameters of the piping system are temperature and pressure. The High-Energy Piping (HEP) system is subjected to high pressures and temperatures, which can cause significant stresses on the piping components. So stress analysis needs to be carried out to ensure that the piping system has strength and flexibility. The Cold Reheat Pipe (CRP) steam line is one of the High-Energy Piping Systems in this steam power plant. CRP consists of CRP BS 130 and CRP BS 131. This paper is about evaluating the stress due to operating loads in 2024 (temperature, pressure, and remaining thickness) for steam lines on the high-energy piping system using the finite element method and refers to ASME B31.1. The output stress values in the piping system in this paper consist of stress due to sustained load, stress due to thermal load, and hoop stress. The CRP BS 130 modeling results show the maximum stress due to sustained load (166.6 kg/cm2), the maximum stress due to the thermal load (112.8 kg/cm2), and the maximum hoop stress (855.6 kg/cm2). The CRP BS 131 modeling results show the maximum stress due to sustained load (974.2 kg/cm2), the maximum stress due to the thermal load (123.5 kg/cm2), and the maximum hoop stress (938.9 kg/cm2). The results of the stress evaluation due to the operating load were still below the allowable stress and are still permitted by the ASME B31.1 Code. 
Co-Authors Adi Wirawan Husodo Agus Khumaidi Alam, Hafiz Akbar Alfanda, Benedicta Dian Astutik, Rina Puji Dewi Kurniasih Himawan Candra Buana Husodo, Adi Wirawan Kusuma, George Endri Mahardhika, Pekik Mahardhika, Pekik Mardi Santoso Naufal, Muhammad Ellang Pekik Mahardhika Raden Dimas Endro Witjonarko Sandora, Rina Santoso, Emie Setiani, Vivin Setyawati, Emeralda Eka Putri Sholihah, Mar'atus Sryang Tera Sarena Tamimah, Ni'matut Wibowo, Sekarsari Yuning Widiarti